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What would damage timing damper - Cars & Trucks

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Posted on Apr 18, 2015

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Come back with information on the make , model , tear etc of what you are talking about.

Posted on Apr 18, 2015

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What mark to align on crank when replacing timing chain


If you get this wrong you can do real damage. Buy a cheap shop manual please.

Apr 03, 2015 | Cars & Trucks

1 Answer

No air flow vents


no flow, here we go.
it can only be 2 things. per FSM tests."factory service man"
1: controls fibbing
2: dampers bad.
the FSM covers this, it shows how to check the dampers
then if they work, it must be the control gone wild.

bring it into the shop, it blows,
ahhhhhhh, all when you take it to the mech, the intermittent problem
is gone. sure, that is MURPHY law.
and the 2nd, if it aint broke, you cant fix it.

to fix these , you need luck, or the FSM
why not RTM. read the manual..
it covers this 100%. why work blind.
let me tell you , no 2 cars dampers (if damper motors) work the
same way, that is why the BOOK is mandatory.
or you get lucky and the controls conn, is just loose, or the like
obvious damage.
some cars have cables and others damper motors.
and mine has a mix.. heck i have a car with zero heater..nada...
and a motorcycle with full time A/C winter and heat in summer.
lol.
alldata.com, log in , and read the HVAC chapter. its all there.

Jan 23, 2014 | Honda Civic Cars & Trucks

1 Answer

How to remove the crankshaft position censor


There is a tool to remove the damper, with damper off the plastic cover pulls off and then you unbolt the sensor, note a little adjusting may be needed. with new sensor on loosen adjusting screw and slowly put damper on watch to make sure tooth goes into sensor then tighten sensor bolt for adjusting, you may need to spin damper a few turn to insure it rides into sensor with damaging it before you tight adjusting screw, the adjusting bolt or screw what ever you want to call it ,all it does is allow sensor to slide side to side . note there are threaded holes inside damper for screws to puller to go into but do not screw them in alot or damage to timing plate may occur, some newer ones have put holes in plate to avoid this. there are auto part stores that loan tools that you need, the puller

Dec 08, 2012 | 1997 Pontiac Bonneville

1 Answer

1999 ford taurus 3.0 dohc


this job does require some special tools to remove the crankshaft balancer....
Removal
1. Disconnect battery ground cable.
2. Remove drive belt.
3. Raise vehicle on hoist.
4. Remove RH front wheel and tire assembly.
5. Remove four crankshaft pulley to damper retaining bolts and remove crankshaft pulley.

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6. Remove crankshaft damper retaining bolt and washer.

7. CAUTION: Use care when removing damper so as not to damage crankshaft or create burrs.

Remove damper from crankshaft using Crankshaft Damper Remover 303-009 (T58P-6316-D) and Vibration Damper Remover Adapter 303-176 (T82L-6316-B).

Jun 15, 2012 | 1999 Ford Taurus

1 Answer

The bottom pulley for the drive belt is wobbling and making a loud sound. do i need to replace the pulley and is it the bearings in the pulley?


The bottom pulley on any engine is attached directly to the torsional vibration damper which is attached to the crankshaft. That pulley drives the serpentine belt and has no bearings. First thing you need to do is find out if the pulley bolts have become loose or if the damper on the crank is loose.
If you find the pulley loose, if the bolt holes are not elongated, just tighten it back up. If the damper is loose, remove it from the engine (puller usually necessary) and inspect the crank snout and the alignment key for wear. Any damage to the damper requires that it be replaced. If the crank snout is severely damaged, that requires that the crank itself be replaced (very expensive).

Jun 09, 2011 | 2001 Oldsmobile Alero

1 Answer

99 Cavalier seems to be kicking back on the starter and busted the gears. Replaced starter several times still does this.


you may have damaged the flywheel take starter out and inspect it u must go a full turn using a socket on the end ov damper pulley or a pry bar at starter opening slow proses but proble has damage 2 flywheel will need 2 replace if damaged or will just eat up more starter drives good luck gordon

Apr 07, 2011 | 1999 Chevrolet Cavalier

1 Answer

I have a 2000 nissan sentra my harmonic balance is bad according to a autozone person it moves when the car is on and he told me it needs to be replaced because it has play i need to replace and find out...


The harmonic balancer is integrated with the crankshaft pulley, and if replaced requires taking the bolt out from the side of the 4 cyl. engine.

I would recommend that an experience engine rebuilder perform the service.

Inspect the Harmonic Balancer:

The harmonic balancer (vibration damper) is inspected for signs of wear in its center bore.
  • Also inspect the rubber mounting for indications of twisting and deterioration.
  • The outer ring can slip, causing an out of balance condition. Replace any harmonic balancer that has slipped.
  • With the cylinder head removed and the piston at top dead center (TDC), make a visual comparison. Do the timing marks for TDC on the timing cover and damper appear to be accurate.
  • Be sure the damper is the correct one for the vehicle. The wrong one can be worse than none at all.
  • Sometimes a damper can become loose on the crank. Check the keyway for wear that can result from improper damper installation, the wrong size key, or a loose damper hub to crank fit.
  • Be sure all pulleys are straight. A damaged pulley can force a crankshaft to bend during engine operation.
This is a general guide on replacing the harmonic balancer, but there are other instructions that the rebuilder would follow to actually do the service for you:

To remove the harmonic balancer, the cylinder head and timing cover must be removed and the piston should be at top dead center (TDC).
  • Install the vibration damper by pounding it on, or use a special installation tool.
  • Generally, the damper is installed unit it bottoms out against the oil slinger and the timing sprocket.
  • If in doubt, install the water pump and pulley, and then pound the damper into place until its pulley aligns with the water pump pulley.
  • It is advisable to use the installation tool, because pounding on the damper can cause stress on the crank thrust bearing surface.
  • It is best to stand the engine block on end and support the crankshaft if the damper must be pounded on.
  • Some vibration dampers are not pressed-fit on the crankshaft.
  • Be sure to install a large washer behind the damper retaining bolt on these engines; otherwise, the damper might fly off, causing damage and a safety hazard.

Feb 09, 2011 | Nissan Sentra Cars & Trucks

1 Answer

Aligning the valve timing mareks except twincam engine


Timing Chain, Sprockets, Front Cover and Seal REMOVAL AND INSTALLATION Crankshaft Damper and Front Oil Seal
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable
    • Accessory drive belt
    • Cooling fans
    • Crankshaft pulley and damper, using a holding fixture as shown
    • Front crankshaft seal Fig. 1: Crankshaft pulley removal tool - V8 9301jg12.gif
    To install:
  3. Install oil seal replacer tool JD-235 to the oil seal. Use the nut and bolt provided with the tool to fully seat the seal to the timing cover.
  4. For dampers which DO NOT utilize a spit locking ring:
    1. Apply a thin, even coating of Loctite® 648 to the damper bore. Do not apply it to the end faces or to the crankshaft.
    2. Install the crankshaft damper onto the crankshaft. Wipe off any Loctite that has squeezed out from the front of the damper.
    3. Install the locking tool to the damper. Tighten the bolt to 59 ft. lbs. (80 Nm), plus an 80 degree turn.
  5. For dampers which utilize a spit locking ring:
    1. Install a new O-ring seal to the damper.
    2. Install the crankshaft damper.
    3. Apply petroleum jelly to the damper bore and O-ring seal.
    4. Install the damper onto the crankshaft.
    5. Install the split locking ring onto the crankshaft, inside the center bore of the damper.
    6. Install the locking tool to the damper.
    7. Tighten the damper bolt to 266-285 ft. lbs. (364-386 Nm).
    8. Remove the locking tool from the damper.
  6. Install or connect the following:
    • Cooling fans
    • Accessory drive belt
    • Negative battery cable
  7. Start the engine and check for leaks.
Timing Cover
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Upper radiator hose
    • Accessory drive belt
    • Water pump pulley
    • Accessory drive belt tensioner
    • Idler pulley
    • Crankshaft damper
    • Engine appearance covers
    • Mass Air Flow (MAF) meter
    • Air intake assembly
    • Ignition coils
    • Canister purge valve
    • Valve covers
    • Variable Valve Timing (VVT) solenoids
    • Engine harness retaining clips
    • Timing cover
    To install: Fig. 2: Sealant application points - V8 9301jg23.gif
    Fig. 3: Timing cover torque sequence-V8 9307jg01.gif

  4. Apply sealant to the 8 joints on the engine face as shown.
  5. Install or connect the following:
    • Timing cover with new seals. Tighten the bolts in sequence to 96-120 inch lbs. (11-13 Nm).
    • Engine harness retaining clips
    • VVT solenoids
    • Valve covers
    • Canister purge valve
    • Ignition coils
    • Air intake assembly
    • MAF meter
    • Engine appearance covers
    • Crankshaft damper
    • Idler pulley
    • Accessory drive belt tensioner
    • Water pump pulley
    • Accessory drive belt
    • Upper radiator hose
    • Negative battery cable
  6. Fill the cooling system.
  7. Start the engine and check for leaks.
Timing Chain 6 CYLINDER
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable
    • Accessory drive belt
    • Valve cover
    • Timing chain cover
    • Variable Valve Timing (VVT) sensor
    • Crankshaft Position (CKP) sensor
  3. Rotate the crankshaft until the triangular arrow indent on the driveplate is visible through the access hole.
  4. Install the Crankshaft Setting Peg JD 216 into the CKP sensor location.
  5. Install the Camshaft Locking tool JD 215 on the camshafts.
  6. Remove or disconnect the following:
    • Camshaft sprocket mounting bolt by loosening it
    • VVT mounting bolt by loosening it
    • Camshaft Locking tool JD 215
    • Primary timing chain tensioner and backing plate
    • Primary timing chain guide
    • VVT unit and exhaust camshaft sprocket
    • Secondary timing chain tensioner and guide
    NOTE: Keep all valvetrain components in order for assembly. To install:
  7. Prepare the timing chain tensioners for installation by using a paperclip or other wire to unseat the check valves and compressing the pistons into their bores.
  8. Install or connect the following:
    • Secondary timing chain guide. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
    • Secondary timing chain tensioner. Tighten the bolt to 89-124 inch lbs. (10-14 Nm).
    • VVT, secondary timing chain and exhaust cam sprocket
    • Primary timing chain
    • Primary timing chain guide. Tighten the bolt to 10-12 ft. lbs. (13-16 Nm).
    • Primary timing chain tensioner and backing plate. Tighten the bolts to 89-124 inch lbs. (10-14 Nm).
    • Primary timing chain slack, eliminate it by placing a wedge between the primary timing chain tensioner and the guide shoe
    • Secondary timing chain by applying counterclockwise force to the exhaust camshaft sprocket. Fig. 4: Apply force in a counterclockwise direction when tightening the sprocket mounting bolts - 6 cylinder 9301jg03.gif

    • Exhaust and intake VVT sprocket bolts. Tighten them to 85-92 ft. lbs. (115-125 Nm).
  9. Remove the tools and wedges.
  10. Install or connect the following:
    • CKP sensor
    • VVT sensor
    • Coolant outlet pipe
    • ECT sensor connector
    • Radiator and heater hoses
    • Timing chain cover
    • Valve cover
    • Accessory drive belt
    • Negative battery cable
  11. Fill the cooling system.
  12. Start the engine and check for leaks.
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Jan 28, 2011 | 1999 Jaguar XK8

1 Answer

Need a diagram to replace the crank pulley on a 1990 Oldsmobile regency 98 3.8 liter


This is what I found on the 98 Regency instructions: Crankshaft Damper REMOVAL & INSTALLATION
  1. Disconnect the negative battery cable.
  2. Remove the belts from the crankshaft pulley.
  3. Remove the crankshaft damper attaching bolt.
  4. Attach a suitable puller to the damper and remove the damper from the crankshaft. NOTE: On certain models, removal of the cooling fan, fan shroud or radiator may be necessary for clearance. WARNING
    DO NOT pry on the damper assembly to remove it from the vehicle or component damage will result. Remove the damper using a puller only.
  5. Installation is the reverse of removal. Torque the damper bolt to specification. Fig. 1: One example of a crankshaft damper puller tool 85843074.gif
    Fig. 2: Removing the crankshaft damper bolt 85843193.jpg Fig. 3: Do not attempt to pry on the damper to remove it from the crankshaft, use a puller only 85843194.jpg Fig. 4: Removing the damper from the crankshaft 85843195.jpg Fig. 5: When installing the damper, thread the bolt by hand first to prevent cross-threading 85843196.jpg prev.gif next.gif

Jul 04, 2010 | 1990 Oldsmobile Ninety Eight

1 Answer

How to replace a harmonic balancer on a 99 cadillac deville


To remove the harmonic balancer, the cylinder head and timing cover must be removed and the piston should be at top dead center (TDC).
  • Install the vibration damper by pounding it on, or use a special installation tool.
  • Generally, the damper is installed unit it bottoms out against the oil slinger and the timing sprocket.
  • If in doubt, install the water pump and pulley, and then pound the damper into place until its pulley aligns with the water pump pulley.
  • It is advisable to use the installation tool, because pounding on the damper can cause stress on the crank thrust bearing surface.
  • It is best to stand the engine block on end and support the crankshaft if the damper must be pounded on.
  • Some vibration dampers are not pressed-fit on the crankshaft.
  • Be sure to install a large washer behind the damper retaining bolt on these engines; otherwise, the damper might fly off, causing damage and a safety hazard.

May 22, 2010 | 1999 Cadillac DeVille

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